package com.zjj;

//参数回调
public class DemoServiceListenerImpl implements DemoServiceListener {

    @Override
    public String changed(String msg) throws InterruptedException {

        System.out.println("2.被回调了："+msg  + "   毫秒值是 :" + System.currentTimeMillis());
        Thread.sleep(1000);
        return "回调结果";
    }
}
